Base | Representation |
---|---|
bin | 10001100110110000000000… |
… | …01101000001001011001111 |
3 | 12002002002202200001111102120 |
4 | 20303120000031001023033 |
5 | 20033300442141300311 |
6 | 214201203515424023 |
7 | 11104024535410404 |
oct | 1063300015011317 |
9 | 162062680044376 |
10 | 38714838618831 |
11 | 11376964119931 |
12 | 4413241155013 |
13 | 187aa4176406b |
14 | 97bb459462ab |
15 | 4720dd87e706 |
hex | 2336003412cf |
38714838618831 has 32 divisors (see below), whose sum is σ = 51768420035520. Its totient is φ = 25735702579200.
The previous prime is 38714838618803. The next prime is 38714838618847. The reversal of 38714838618831 is 13881683841783.
It is a de Polignac number, because none of the positive numbers 2k-38714838618831 is a prime.
It is a super-2 number, since 2×387148386188312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38714838618851) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8200556551 + ... + 8200561271.
It is an arithmetic number, because the mean of its divisors is an integer number (1617763126110).
Almost surely, 238714838618831 is an apocalyptic number.
38714838618831 is a deficient number, since it is larger than the sum of its proper divisors (13053581416689).
38714838618831 is a wasteful number, since it uses less digits than its factorization.
38714838618831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9947.
The product of its digits is 148635648, while the sum is 69.
The spelling of 38714838618831 in words is "thirty-eight trillion, seven hundred fourteen billion, eight hundred thirty-eight million, six hundred eighteen thousand, eight hundred thirty-one".
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